<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <title>欢迎页面</title>
</head>
<body>
<h1>欢迎，${username}</h1>
<p>您已成功登录！</p>
<a href="login.jsp">返回登录页面</a>
</body>
</html>